Radio Shack CT-503 owner manual Setting the Cellular System Type

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Notes:

•Calls can be made on your phone from only one phone number at a time, and you cannot activate the other phone number while a call is in progress.

•To receive calls on both numbers at the same time (if you subscribe to no-answer transfer or call forwarding ser- vice through your cellular carrier), you can set both num- bers to forward to the other number if not answered. Otherwise, a caller who calls the inactive number receives the standard “not in service” message.

SETTING THE CELLULAR

SYSTEM TYPE

Each cellular market area has two cellular service providers. One of the providers is designated Provider A and the other Provider B. When your phone is activated for service, find out from your dealer whether your cellular provider is type A or B.

Notes:

•Usually, it is less expensive to use the same company for cellular service when you are in your home city and when you roam (see “Roaming” on Page 49). To do this, you need to know whether your cellular service provider is type A or B in your home city and in each city where you plan to travel.

•It is possible for a cellular service provider to be (or have agreements with) Provider A in some cities and Provider B in others.

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